/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package SQL2003.provider;


import java.util.Collection;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.ResourceLocator;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;

import SQL2003.DataType;
import SQL2003.Method;
import SQL2003.MethodParameter;
import SQL2003.SQL2003Factory;
import SQL2003.SQL2003Package;

/**
 * This is the item provider adapter for a {@link SQL2003.Method} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class MethodItemProvider
	extends ItemProviderAdapter
	implements
		IEditingDomainItemProvider,
		IStructuredItemContentProvider,
		ITreeItemContentProvider,
		IItemLabelProvider,
		IItemPropertySource {
	/**
	 * This constructs an instance from a factory and a notifier.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public MethodItemProvider(AdapterFactory adapterFactory) {
		super(adapterFactory);
	}

	/**
	 * This returns the property descriptors for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
		if (itemPropertyDescriptors == null) {
			super.getPropertyDescriptors(object);

			addNamePropertyDescriptor(object);
			addBodyPropertyDescriptor(object);
			addOverridePropertyDescriptor(object);
			addReturn_typePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Name feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addNamePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Method_name_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Method_name_feature", "_UI_Method_type"),
				 SQL2003Package.Literals.METHOD__NAME,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Body feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addBodyPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Method_body_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Method_body_feature", "_UI_Method_type"),
				 SQL2003Package.Literals.METHOD__BODY,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Override feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addOverridePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Method_override_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Method_override_feature", "_UI_Method_type"),
				 SQL2003Package.Literals.METHOD__OVERRIDE,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Return type feature.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected void addReturn_typePropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_Method_return_type_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_Method_return_type_feature", "_UI_Method_type"),
				 SQL2003Package.Literals.METHOD__RETURN_TYPE,
				 true,
				 false,
				 true,
				 null,
				 null,
				 null));
	}

	/**
	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
		if (childrenFeatures == null) {
			super.getChildrenFeatures(object);
			childrenFeatures.add(SQL2003Package.Literals.METHOD__PARAMETERS);
		}
		return childrenFeatures;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EStructuralFeature getChildFeature(Object object, Object child) {
		// Check the type of the specified child object and return the proper feature to use for
		// adding (see {@link AddCommand}) it as a child.

		return super.getChildFeature(object, child);
	}

	/**
	 * This returns Method.gif.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/Method"));
	}

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		/*INICIO CODIGO ORIGINAL*/
//		String label = ((Method)object).getName();
//		return label == null || label.length() == 0 ?
//			getString("_UI_Method_type") :
//			getString("_UI_Method_type") + " " + label;
		/*FIN CODIGO ORIGINAL*/
		
		String name;
		String override = "";
		String returnType = "";
		DataType returnTypeObject;
		String parameters = "";
		EList<MethodParameter> parametersList;
		
		/* Name */
		name = ((Method)object).getName();
		if (name == null || name.length() == 0) {
			return getString("_UI_Method_type");
		}

		/* Override */
		if (((Method)object).getOverride() != null) {
			override = " <<OVERRIDING>>";
		}

		/* Return Type */
		returnTypeObject = ((Method)object).getReturn_type();
		returnType = (returnTypeObject == null)
			? ""
			: " : " + returnTypeObject.getFriendlyName();

		/* Parameters */
		parametersList = ((Method)object).getParameters();
		parameters += " (";
		if (!parametersList.isEmpty()) {
			for (int i = 0; i < parametersList.size(); i++) {
				parameters += parametersList.get(i).getFriendlyName();
				if (i < (parametersList.size()-1)) {
					parameters += ", ";
				}
			}
		}
		parameters += ")";

		return getString("_UI_Method_type") + " " + name + parameters + 
			returnType + override;
	}

	/**
	 * This handles model notifications by calling {@link #updateChildren} to update any cached
	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void notifyChanged(Notification notification) {
		updateChildren(notification);

		switch (notification.getFeatureID(Method.class)) {
			case SQL2003Package.METHOD__NAME:
			case SQL2003Package.METHOD__BODY:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				return;
			case SQL2003Package.METHOD__PARAMETERS:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
				return;
		}
		super.notifyChanged(notification);
	}

	/**
	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
	 * that can be created under this object.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
		super.collectNewChildDescriptors(newChildDescriptors, object);

		newChildDescriptors.add
			(createChildParameter
				(SQL2003Package.Literals.METHOD__PARAMETERS,
				 SQL2003Factory.eINSTANCE.createMethodParameter()));
	}

	/**
	 * Return the resource locator for this item provider's resources.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public ResourceLocator getResourceLocator() {
		return SQL2003EditPlugin.INSTANCE;
	}

}
